(VOL. V,1913). FRANZ STEPHANI. SPECIES HEPATICARUM Trachylejeunea. 



3. Trachylejeunea conifera St. n. sp. 



Dioica, minor, pallide virens, in cortice dense depresso-caespitans. 

 Caulis ad 2 cm. longus, parum breviterque pinnatus. Folia caulina 

 parum imbricata, recte patula, concava, decurva, in plano late ovata, 

 subsymmetrica (0,83 mm. longa, 0,67 mm. lata) apice apiculata, bre- 

 vissima basi inserta, basi antica truncato-sinuata, marginibus ubique 

 valide denseque crenatis; cuticula levis. Cellulx superse 27 jjl, basales 

 18X36 jjL trigonis nullis. Lobulus magnus, lolio subtriplo brevior, 

 oblique adscendens, ovato-oblongus, carina valde arcuata, sinu pro- 

 fundo in folium excurrens, apice quam basis triplo angustiore, truncato 

 obtuso, sub apice maxime constrictus. Amphigastria vaulina majuscula, 

 caule subtriplo latiora, subrotunda, transverse inserta, ad ^/s inciso- 

 biloba, sinu recto, iobis oblongis acutis. Perianthia uno latere inno- 

 vata, parva (1 mm. longa) clavata, apice late rotundata, superne abrupte 

 lateque alata, alis dense breviterque papulosis, plicis posticis inflatis 

 breviter decurrentibus, late divergentibus, densissime papulosis, rostro 

 longo angusto. Folia floralia perianthio longiora, obovato-obionga, 

 obtusa vel apice rotundata, superne regulariter crenata ; lohulo duplo 

 iireviore, ligulato acuto subintegerrimo, ad medium soluto. Amphigas- 

 trium florale foliis floralibus sequimagnum, lobulo proximo breviter 

 coalitum, oblongo-ellipticum, ad V^ inciso-bilobatum, rima angusta 

 nuda, lobis acutis extus crenatis. Andracia sessilia, bracteis quadri- 

 jugis. 



Hab. Dominica. 



4. Trachylejeunea dilatata Evans. Torr. Bot. CI. 1908, p. 372. 

 Autoica, pallide virens, laxe caespitans. Caulis irregulariter pinnatus, 



muItiramosus,ramislatedivergentibussimplicibus vel parum pinnatis. 

 Folia caulina contigua vel parum imbricata, recte patula, concava, 

 in plano late ovato-triangulata (0,5 mm. longa, 0,35 mm. lata) apice 

 late rotundata, brevi basi inserta, basi antica longe truncata, nuda, 

 ceterum dense regulariterque crenulata. Cellulae 21X35 ji. basales vix 

 longiores, trigonis nuUis. Lobulus majusculus, folio duplo brevior, 

 oblongus, oblique adscendens, triplo longior quani latus, inflatus, 

 carina leviter arcuata, angulo acuto in folium excurrens, apice quam 

 basis duplo angustiore, recte truncato, angulo obtuso, sub apice cons- 

 trictus. Amphigastria caulina majuscula, caule latiora, ambitu sub- 

 rotunda, transverse inserta, inferne obconica, medio utrinque angulata, 

 apice ad medium inciso-biloba, sinu recto, lobis late triangulatis acutis. 

 Perianthia parva (0,6 mm. longa, 0,35 mm. lata) pyriformia, uno latere 



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